When referring to time, writers must use 9 o'clock instead of ...

[tth]

When referring to time, writers must use 9 o'clock instead of nine o'clock for greater formality but less emphasis.
 
  Indicate whether the statement is true or false

Question 2

A mixed number is best expressed in spelled-out words.
 
  Indicate whether the statement is true or false

[emily12345]

Answer to Question 1

FALSE
When referring to time, writers must use words for greater formality but less emphasis. For
greater emphasis and less formality, writers should use numerals.

Answer to Question 2

FALSE
A mixed number (a whole number plus a fraction) is best expressed in figures. It is expressed
by either using a decimal or a fraction.